116664469 has 2 divisors, whose sum is σ = 116664470. Its totient is φ = 116664468.

The previous prime is 116664463. The next prime is 116664491. The reversal of 116664469 is 964466611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87179569 + 29484900 = 9337^2 + 5430^2 .

It is an emirp because it is prime and its reverse (964466611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116664469 - 2⁵ = 116664437 is a prime.

It is a super-2 number, since 2×116664469² = 27221196654103922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116664463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58332234 + 58332235.

It is an arithmetic number, because the mean of its divisors is an integer number (58332235).

Almost surely, 2^116664469 is an apocalyptic number.

It is an amenable number.

116664469 is a deficient number, since it is larger than the sum of its proper divisors (1).

116664469 is an equidigital number, since it uses as much as digits as its factorization.

116664469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 116664469 is about 10801.1327646687. The cubic root of 116664469 is about 488.6293347940.

The spelling of 116664469 in words is "one hundred sixteen million, six hundred sixty-four thousand, four hundred sixty-nine".